Digital BW, The Print

On 3/28/02 4:16 PM, "Paul Roark" <paul.roark@...> wrote:

>> On the Cone site is says that unlike some of their competitors, the Cone
>> quad inks are alkaline (pH 9). It claims that other inks (without naming
>> them) are acidic. Since this would clearly have archival implications, does
>> anyone have some litmus paper around to check their MIS inks?
> 
> Lyson inks (and various private label Lyson inks) are the acidic ones, as
> far as I know.  MIS, Generations, and Piezo, for example, have always been
> said to be compatible with Epson inks, and thus not need flushing before
> changing inks.  Lyson, on the other hand, due to the pH difference, is said
> to require a good flushing out of the old inks before one changes between
> Lyson and one of the others.

Thanks -- that makes sense. Acid + Alkali = H20 + (potentially) precipitate.

Yuk.
-- 
John Brownlow

http://www.pinkheadedbug.com